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Anales de Otorrinolaringología Mexicana

2011, Number 1

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Otorrinolaringología 2011; 56 (1)

Relation between hearing loss and exposure to recreational noise

Figueroa HDD, González SDF

Language: Spanish
References: 11
Page: 15-21
PDF size: 356.12 Kb.


ABSTRACT

Background: The massive spread of audio players has increased the exposure to high sound levels for long periods, because these are used in noisy environments that contribute to raising the volume.
Objective: To determine the relationship between exposure to recreational noise and hearing loss by means of an audiometric study which included high frequencies, also to detect users’ symptoms after the exposure to recreational noise and establish the relationship between symptom duration and audiometric changes.
Patients and method: We studied 205 patients, with a mean age of 21 years. We carried out an audiometric study including high frequencies and we applied a questionnaire about their audio players habits and the assistance to night clubs; they were asked about symptoms experimented after these activities.
Results: The audiometric study showed a 44% of hearing loss at 10 kHz and reached a 63% at 16 kHz. The most common symptom was tinnitus with two hours duration. Men reported major time exposure and higher volume use than women.
Conclusions: These results show that young people suffer a cochlear damage in high frequencies that can progress if there are no changes in recreational noise habits. Symptoms of cochlear damage must be known in order to prevent a severe ear loss.


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